... ISO9001:2000 Material:Ductile Iron/Gray Iron 1)Mechanical Cross Pipe Fitting and Grooved cross2)Finish:Paint ,Epoxy Powder or ... constructions like water supplying ,gas2)supplying, heat supplying,etcIndustrial pipeline system on shipping ,mine, oil field,textile,powder plant,etc ... customers all over the world such as, WATTAS, MUELLER,US PIPE,Kurdizel, etc. and we were awarded as the best ...